<template>
    <div class="app-container">
        <div class="search-container">
            <el-form ref="queryFormRef" :model="queryParams" :inline="true">
                <el-form-item label="关键字" prop="keywords">
                    <el-input v-model="queryParams.keywords" placeholder="菜单名称" clearable @keyup.enter="handleQuery" />
                </el-form-item>
                <el-form-item>
                    <el-button type="primary" @click="handleQuery"><template
                            #icon><i-ep-search /></template>搜索</el-button>
                    <el-button @click="resetQuery">
                        <template #icon><i-ep-refresh /></template>
                        重置</el-button>
                </el-form-item>
            </el-form>
        </div>

        <el-card shadow="never" class="table-container">
            <template #header>
                <el-button v-hasPerm="['sys:menu:add']" type="success" @click="openDialog(0)">
                    <template #icon><i-ep-plus /></template>
                    新增</el-button>
            </template>

            <el-table v-loading="loading" :data="menuList" highlight-current-row row-key="id" :expand-row-keys="['1']"
                @row-click="onRowClick" :tree-props="{
                children: 'children',
                hasChildren: 'hasChildren',
            }">
                <el-table-column label="菜单名称" min-width="200">
                    <template #default="scope">
                        <svg-icon :icon-class="scope.row.icon" />
                        {{ scope.row.name }}
                    </template>
                </el-table-column>

                <el-table-column label="类型" align="center" width="80">
                    <template #default="scope">
                        <el-tag v-if="scope.row.type === MenuTypeEnum.CATALOG" type="warning">目录</el-tag>
                        <el-tag v-if="scope.row.type === MenuTypeEnum.MENU" type="success">菜单</el-tag>
                        <el-tag v-if="scope.row.type === MenuTypeEnum.BUTTON" type="danger">按钮</el-tag>
                        <el-tag v-if="scope.row.type === MenuTypeEnum.EXTLINK" type="info">外链</el-tag>
                    </template>
                </el-table-column>

                <el-table-column label="路由路径" align="left" width="150" prop="path" />

                <el-table-column label="组件路径" align="left" width="250" prop="component" />

                <el-table-column label="权限标识" align="center" width="200" prop="perm" />

                <el-table-column label="状态" align="center" width="80">
                    <template #default="scope">
                        <el-tag v-if="scope.row.visible === 1" type="success">显示</el-tag>
                        <el-tag v-else type="info">隐藏</el-tag>
                    </template>
                </el-table-column>

                <el-table-column label="排序" align="center" width="80" prop="sort" />

                <el-table-column fixed="right" align="center" label="操作" width="220">
                    <template #default="scope">
                        <el-button v-if="scope.row.type == 'CATALOG' || scope.row.type == 'MENU'"
                            v-hasPerm="['sys:menu:add']" type="primary" link size="small"
                            @click.stop="openDialog(scope.row.id)">
                            <i-ep-plus />新增
                        </el-button>

                        <el-button v-hasPerm="['sys:menu:edit']" type="primary" link size="small"
                            @click.stop="openDialog(undefined, scope.row.id)">
                            <i-ep-edit />编辑
                        </el-button>
                        <el-button v-hasPerm="['sys:menu:delete']" type="primary" link size="small"
                            @click.stop="handleDelete(scope.row.id)"><i-ep-delete />
                            删除
                        </el-button>
                    </template>
                </el-table-column>
            </el-table>
        </el-card>

        <el-dialog v-model="dialog.visible" :title="dialog.title" destroy-on-close append-to-body width="1000px"
            @close="closeDialog" top="5vh">
            <el-form ref="menuFormRef" :model="formData" :rules="rules" label-width="160px">
                <el-form-item label="父级菜单" prop="parentId">
                    <el-tree-select v-model="formData.parentId" placeholder="选择上级菜单" :data="menuOptions" filterable
                        check-strictly :render-after-expand="false" />
                </el-form-item>

                <el-form-item label="菜单名称" prop="name">
                    <el-input v-model="formData.name" placeholder="请输入菜单名称" />
                </el-form-item>

                <el-form-item label="菜单类型" prop="type">
                    <el-radio-group v-model="formData.type" @change="onMenuTypeChange">
                        <el-radio label="CATALOG">目录</el-radio>
                        <el-radio label="MENU">菜单</el-radio>
                        <el-radio label="BUTTON">按钮</el-radio>
                        <el-radio label="EXTLINK">外链</el-radio>
                    </el-radio-group>
                </el-form-item>

                <el-form-item v-if="formData.type == 'EXTLINK'" label="外链地址" prop="path">
                    <el-input v-model="formData.path" placeholder="请输入外链完整路径" />
                </el-form-item>

                <el-form-item v-if="formData.type == MenuTypeEnum.CATALOG ||
                formData.type == MenuTypeEnum.MENU
                " label="路由路径" prop="path">
                    <el-input v-if="formData.type == MenuTypeEnum.CATALOG" v-model="formData.path"
                        placeholder="system" />
                    <el-input v-else v-model="formData.path" placeholder="user" />
                </el-form-item>

                <!-- 组件页面完整路径 -->
                <el-form-item v-if="formData.type == MenuTypeEnum.MENU" label="页面路径" prop="component">
                    <el-input v-model="formData.component" placeholder="system/user/index" style="width: 95%">
                        <template v-if="formData.type == MenuTypeEnum.MENU" #prepend>src/views/</template>
                        <template v-if="formData.type == MenuTypeEnum.MENU" #append>.vue</template>
                    </el-input>
                </el-form-item>

                <el-form-item v-if="formData.type !== MenuTypeEnum.BUTTON" prop="visible" label="显示状态">
                    <el-radio-group v-model="formData.visible">
                        <el-radio :label="1">显示</el-radio>
                        <el-radio :label="0">隐藏</el-radio>
                    </el-radio-group>
                </el-form-item>

                <el-form-item v-if="formData.type === MenuTypeEnum.CATALOG" label="根目录始终显示">
                    <template #label>
                        <div>
                            根目录始终显示
                            <el-tooltip placement="bottom" effect="light">
                                <template #content>是：根目录只有一个子路由显示目录
                                    <br />否：根目录只有一个子路由不显示目录，只显示子路由
                                </template>
                                <i-ep-QuestionFilled class="inline-block" />
                            </el-tooltip>
                        </div>
                    </template>

                    <el-radio-group v-model="formData.alwaysShow">
                        <el-radio :label="1">是</el-radio>
                        <el-radio :label="0">否</el-radio>
                    </el-radio-group>
                </el-form-item>

                <el-form-item v-if="formData.type === MenuTypeEnum.MENU" label="是否缓存">
                    <el-radio-group v-model="formData.keepAlive">
                        <el-radio :label="1">是</el-radio>
                        <el-radio :label="0">否</el-radio>
                    </el-radio-group>
                </el-form-item>

                <el-form-item label="排序" prop="sort">
                    <el-input-number v-model="formData.sort" style="width: 100px" controls-position="right" :min="0" />
                </el-form-item>

                <!-- 权限标识 -->
                <el-form-item v-if="formData.type == MenuTypeEnum.BUTTON" label="权限标识" prop="perm">
                    <el-input v-model="formData.perm" placeholder="sys:user:add" />
                </el-form-item>

                <el-form-item v-if="formData.type !== MenuTypeEnum.BUTTON" label="图标" prop="icon">
                    <!-- 图标选择器 -->
                    <icon-select v-model="formData.icon" />
                </el-form-item>

                <el-form-item v-if="formData.type == MenuTypeEnum.CATALOG" label="跳转路由">
                    <el-input v-model="formData.redirect" placeholder="跳转路由" />
                </el-form-item>
            </el-form>

            <template #footer>
                <div class="dialog-footer">
                    <el-button type="primary" @click="submitForm">确 定</el-button>
                    <el-button @click="closeDialog">取 消</el-button>
                </div>
            </template>
        </el-dialog>
    </div>
</template>

<script setup lang="ts">
defineOptions({
    // eslint-disable-next-line vue/no-reserved-component-names
    name: "Menu",
    inheritAttrs: false,
});
import { ref, reactive } from 'vue'
import {
    listMenus,
    getMenuForm,
    getMenuOptions,
    addMenu,
    deleteMenu,
    updateMenu,
} from "@/api/menu";
import { MenuTypeEnum } from "@/enums/MenuTypeEnum";

const queryFormRef = ref(ElForm);
const menuFormRef = ref(ElForm);

const loading = ref(false);
const dialog = reactive({
    title: "",
    visible: false,
});

const queryParams = reactive({});
const menuList = ref([]);

const menuOptions = ref([]);

const formData = reactive({
    parentId: 0,
    visible: 1,
    sort: 1,
    type: MenuTypeEnum.MENU,
    alwaysShow: 0,
    keepAlive: 0,
});

const rules = reactive({
    parentId: [{ required: true, message: "请选择顶级菜单", trigger: "blur" }],
    name: [{ required: true, message: "请输入菜单名称", trigger: "blur" }],
    type: [{ required: true, message: "请选择菜单类型", trigger: "blur" }],
    path: [{ required: true, message: "请输入路由路径", trigger: "blur" }],

    component: [{ required: true, message: "请输入组件路径", trigger: "blur" }],
    visible: [{ required: true, message: "请输入路由路径", trigger: "blur" }],
});

// 选择表格的行菜单ID
const selectedRowMenuId = ref<number | undefined>();

const menuCacheData = reactive({
    type: "",
    path: "",
});

/**
 * 查询
 */
function handleQuery() {
    // 重置父组件
    loading.value = true;
    listMenus(queryParams)
        .then(({ data }) => {
            menuList.value = data;
        })
        .then(() => {
            loading.value = false;
        });
}

/** 重置查询 */
function resetQuery() {
    queryFormRef.value.resetFields();
    handleQuery();
}

/**行点击事件 */
function onRowClick(row) {
    selectedRowMenuId.value = row.id;
}

/**
 * 打开表单弹窗
 *
 * @param parentId 父菜单ID
 * @param menuId 菜单ID
 */
function openDialog(parentId?: number, menuId?: number) {
    getMenuOptions()
        .then(({ data }) => {
            menuOptions.value = [{ value: 0, label: "顶级菜单", children: data }];
        })
        .then(() => {
            dialog.visible = true;
            if (menuId) {
                dialog.title = "编辑菜单";
                getMenuForm(menuId).then(({ data }) => {
                    Object.assign(formData, data);
                    menuCacheData.type = data.type;
                    menuCacheData.path = data.path ?? "";
                });
            } else {
                dialog.title = "新增菜单";
                formData.parentId = parentId;
            }
        });
}

/** 菜单类型切换事件处理 */
function onMenuTypeChange() {
    // 如果菜单类型改变，清空路由路径；未改变在切换后还原路由路径
    if (formData.type !== menuCacheData.type) {
        formData.path = "";
    } else {
        formData.path = menuCacheData.path;
    }
}

/** 菜单保存提交 */
function submitForm() {
    menuFormRef.value.validate((isValid: boolean) => {
        if (isValid) {
            const menuId = formData.id;
            if (menuId) {
                updateMenu(menuId, formData).then(() => {
                    ElMessage.success("修改成功");
                    closeDialog();
                    handleQuery();
                });
            } else {
                addMenu(formData).then(() => {
                    ElMessage.success("新增成功");
                    closeDialog();
                    handleQuery();
                });
            }
        }
    });
}

/** 删除菜单 */
function handleDelete(menuId: number) {
    if (!menuId) {
        ElMessage.warning("请勾选删除项");
        return false;
    }

    ElMessageBox.confirm("确认删除已选中的数据项?", "警告", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning",
    })
        .then(() => {
            deleteMenu(menuId).then(() => {
                ElMessage.success("删除成功");
                handleQuery();
            });
        })
        .catch(() => ElMessage.info("已取消删除"));
}

/** 关闭弹窗 */
function closeDialog() {
    dialog.visible = false;
    resetForm();
}

/** 重置表单 */
function resetForm() {
    menuFormRef.value.resetFields();
    menuFormRef.value.clearValidate();

    formData.id = undefined;
    formData.parentId = 0;
    formData.visible = 1;
    formData.sort = 1;
    formData.perm = undefined;
    formData.component = undefined;
    formData.path = undefined;
    formData.redirect = undefined;
    formData.alwaysShow = undefined;
    formData.keepAlive = undefined;
}

onMounted(() => {
    handleQuery();
});
</script>
